18x150mm (3/4x6") Test Tubes

SKU: 55907R

Starting from $0.80USD Each

Save More When You Buy More!
EACH $0.80 $0.80 /Unit
Box of 100 $40.00 $0.40 /Unit
Case of 800 $288.00 $0.36 /Unit
[4.9]   9 Reviews    | Write a Review

Unbeatable 18x150mm lab test tube prices, only $0.80 each but save 55% by the case. Holds 30mL (1.25 fl oz), is rimmed/heat resistant for lab work but unmarked for decorative uses.

Looking for ideas on how to use test tubes? Check out these blogs: What is a Test Tube Used For? Not Just Labs! or Corked Glass Test Tubes for Chemistry Kitchenware.

This size is also available with these options:


Two styles of test tube racks are listed in Related Products below.

Out of Stock Until: 2021-03-10

Related information or images
  • Borosilicate (Pyrex™) glass: heat resistant/autoclavable
  • 18x150mm tubes have reinforced rims for stoppers
  • Completely unmarked for decorative use/custom imprinting optional
  • 18x150mm tube is a standard lab test tube
  • Capacity/volume: ~30mL/1.25 fl oz.

Note: Test tube diameter is nominal; there can be a variance of as much as +/- 0.5mm. We cannot guarantee they will fit test tube racks or stoppers we don't supply.

Reviews (9)
Good quality and still have not broken any with thermal shock
— BT
— Indigo: That's good to hear. Real borosilicate!
As described, quick service!
— Chuck
Exactly as I expected - shipped quickly - so reasonably priced.
— Hillary
They were exactly as described and shipped out right away. My son uses them for antkeeping and they were perfect for his needs.
— Teresa
We appreciate the clarity and uniformity of these test tubes. Indigo Instruments fills orders immediately and precisely; who could ask for anything more?
— Cat
Test tubes were exactly as described. Appreciate the fact that they do not have any markings on them as they are used as vases.
— Buster
test tubes were exactly as described, they were shipped the next day with no breakage. Have purchased from Indigo n the past & will do so again in the future.
— Susan
Test tubes were exactly as described. Appreciate the fact that they don't have any markings on them as they are used as vases.
— Flowers
The durability of lab glass is essential to making quality horticulture display stands that last. Bulk pricing made the test tubes very affordable and the cost of the overall project minimal. Competitively priced and shipped promptly. I purchase all my lab glass from Indigo!
— Cathy
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